ISRO exam 2017 – QUESTIONS Q13 with Solution

In this video we are going to discuss another question which was asked in the exam of ISRO.

Q.13 In some programming languages, an identifier is permitted to be a letter followed by any number of letters or digits. If L and D denotes the set of letters and digit respectively. Which of the following expression defines an identifier?

  1. (L + D)*
  2. (L.D)*
  3. L (L + D)*
  4. L (L.D)*

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Himanshu Kaushik
M.TECH (CS), B.TECH (IT), SENIOR FACULTY, DIRECTOR

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